Jerusalem sage
Phlomis fruticosa

Hardiness: Zones 8 to 10
Plant type: Shrubby evergreen perennial 
Height: 2- 4'
Spread: 3- 5'
Sun: Full sun to part shade
Water: Medium
Bloom time: June to August
Bloom color:  Yellow
Soil: Prefers organically rich, fertile, moist, well-draining soils, tolerates drier soils.

Notes:  Can be grown in zones 5 to 7, though the plant will die back entirely in winter, and re-emerge in spring, rather than standing evergreen all season.

More information on this plant here.